#include <iostream>
#include <string>

int main()
{
	using namespace std;
	string str;

	cout << "input: "<< endl;

	cin >> str;

	cout << "你输入的内容为：" << str << endl;
//	cout << "mult：" << str * 3 << endl;
	cout << "add：" << str + str << endl;
	
	string* pstr = &str;
	cout << "pstr值为：" << pstr <<endl;
	cout  << "pstr指向的值为：" << *pstr << endl;
}
